Current local time in Piedras Negras, Mexico
The live clock above shows the time in Piedras Negras. Piedras Negras is in the America/Matamoros time zone, UTC−5 right now (CDT).
| Country | Mexico |
|---|---|
| Region | Coahuila |
| Population | about 137,000 |
| Coordinates | 28.71° N, 100.53° W |
| Time zone | America/Matamoros |
| Abbreviation | CST / CDT |
| UTC offset | UTC−6 (winter) / UTC−5 (summer) |
| Daylight saving time | Yes |
Daylight saving time
Piedras Negras uses daylight saving time: clocks switch between UTC−6 (CST) and UTC−5 (CDT). The next change is on Sunday, November 1, 2026, when clocks go back one hour.
Sunrise, sunset and daylight
Today: sunrise …, sunset …, .
| 2026 | Sunrise | Sunset | Daylight |
|---|---|---|---|
| March equinox | 7:46 AM | 7:53 PM | 12 h 7 min |
| June solstice | 6:44 AM | 8:43 PM | 13 h 58 min |
| September equinox | 7:30 AM | 7:39 PM | 12 h 8 min |
| December solstice | 7:30 AM | 5:49 PM | 10 h 18 min |
Clock time vs. sun time
The sun is highest over Piedras Negras at about 12:51 PM in mid-January, and about 1:47 PM in mid-July. On standard time, local clocks run about 42 minutes ahead of the sun, because Piedras Negras sits at 100.5° W, while its time zone is centred on 90.0° W.
Piedras Negras time compared with other cities
| City | Time now | Compared with Piedras Negras |
|---|---|---|
| New York | 1 hour ahead | |
| Los Angeles | 2 hours behind | |
| London | 6 hours ahead | |
| Paris | 7 hours ahead | |
| Dubai | 10 hours ahead in Jan, 9 hours ahead in Jul | |
| Mumbai | 11.5 hours ahead in Jan, 10.5 hours ahead in Jul | |
| Shanghai | 14 hours ahead in Jan, 13 hours ahead in Jul | |
| Tokyo | 15 hours ahead in Jan, 14 hours ahead in Jul | |
| Sydney | 17 hours ahead in Jan, 15 hours ahead in Jul |
Nearby cities
| City | Distance | Time now vs Piedras Negras |
|---|---|---|
| Nuevo Laredo | 165 km (103 mi) | same time |
| Laredo, United States | 167 km (104 mi) | same time |
| San Antonio, United States | 215 km (134 mi) | same time |
| Monclova | 219 km (136 mi) | 1 hour behind |
| Austin, United States | 321 km (199 mi) | same time |
| Corpus Christi, United States | 325 km (202 mi) | same time |
| Monterrey | 338 km (210 mi) | 1 hour behind |
| Edinburg, United States | 355 km (221 mi) | same time |
Other cities in Mexico
- Mexico City
- Guadalajara
- Monterrey
- Puebla
- Tijuana
- Ciudad Juárez
- Leon
- Toluca
- Nezahualcoyotl
- Merida
- San Luis Potosi
- Torreon
- Queretaro
- Aguascalientes
- Chihuahua
- Mexicali
- Culiacan
- Acapulco
Questions people ask
What time zone is Piedras Negras in?
Piedras Negras is in the America/Matamoros time zone, UTC−6, or UTC−5 during daylight saving time.
Does Piedras Negras have daylight saving time?
Piedras Negras uses daylight saving time: clocks switch between UTC−6 (CST) and UTC−5 (CDT). The next change is on Sunday, November 1, 2026, when clocks go back one hour.
Why isn't noon in Piedras Negras when the sun is highest?
Because time zones are wide. Piedras Negras's clocks follow a zone centred on 90.0° W, so on standard time they run about 42 minutes ahead of the sun. Daylight saving time adds another hour.
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Time zone data: IANA tz database 2026e. Population: Natural Earth (approximate).